# -*- coding: utf-8 -*-

# Copyright(C) 2013 Julien Veyssier
#
# This file is part of a woob module.
#
# This woob module is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This woob module is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this woob module. If not, see <http://www.gnu.org/licenses/>.
import re

from woob.capabilities.subtitle import Subtitle
from woob.browser.pages import HTMLPage, pagination
from woob.browser.elements import TableElement, ItemElement, method
from woob.browser.filters.html import Attr, Link, AbsoluteLink
from woob.browser.filters.standard import Regexp, CleanText, CleanDecimal


class SearchPage(HTMLPage):
    """ Page which contains results as a list of movies
    """
    next_page = Link('.//div[@id="pager"]//div//a[text()=">>"]')

    @pagination
    def iter_subtitles(self):
        results = self.doc.xpath('.//table[@id="search_results"]/tbody/tr[has-class("change")]')
        for el in results:
            url = Link('.//a[has-class("bnone")]')(el)
            self.browser.location(url)
            for sub in self.browser.page.iter_subtitles():
                yield sub


class SubtitlesPage(HTMLPage):
    @method
    class iter_subtitles(TableElement):
        item_xpath = '//table[@id="search_results"]//tbody//tr[has-class("change")]'
        head_xpath = '//table[@id="search_results"]//tbody//tr[has-class("head")]'

        class item(ItemElement):
            klass = Subtitle
            obj_id = Regexp(Attr('.//td[1]', 'id'), 'main(\d*)')
            obj_name = Regexp(
                CleanText('.//td[1]'),
                '(.*)Download at 25'
            )
            obj_nb_cd = CleanDecimal('.//td[3]')
            obj_url = AbsoluteLink('.//td[5]//a')
            obj_language = Regexp(Attr('.//td[2]//a//div', 'class'), 'flag (.*)')


class SubtitlePage(HTMLPage):
    def get_subtitle(self, id=None):
        subtitle = Subtitle()
        subtitle.description = CleanText('.//fieldset/span[@itemprop="description"]')(self.doc)
        if id:
            subtitle.id = id
        else:
            regexp = re.compile('https://www.opensubtitles.org/en/subtitles/(?P<id>\d+)/.*$')
            result = regexp.match(self.url)
            subtitle.id = result.groupdict()['id']

        subtitle.name = CleanText('.//div//div//h2')(self.doc)
        subtitle.url = self.url
        return subtitle

    def iter_subtitles(self):
        return list([self.get_subtitle()])


class SeriesSubtitlePage(HTMLPage):
    def iter_subtitles(self):
        season = ''
        series_name = CleanText('//div[has-class("msg")]//h1//span[@itemprop="name"]')(self.doc)
        # A regexp to recover the sub id from url
        regexp = re.compile('.*/imdbid-(?P<episode_id>\d+)$')
        for sub in self.doc.xpath('//table[@id="search_results"]//tbody//tr[not(contains(@class,"head"))]'):
            if not Attr('.', 'class', default=None)(sub):
                season = CleanText('.//td[1]')(sub)
            else:
                subtitle = Subtitle()
                episode = CleanText('.//td[1]')(sub)
                subtitle.name = '%s - %s - Episode %s' % (series_name, season, episode)
                url = Link('.//td[3]//a')(sub)
                subtitle.url = self.browser.absurl(url)
                result = regexp.match(url)
                subtitle.id = result.groupdict()['episode_id']
                yield subtitle
